Plant and Animal Structures

A _______is anything made up of parts held together.

• Structure

• Function

• External

• Internal

Answer explanation

Inside your body are 206 bones. Each bone plays a very important role in making all the mechanics of your body function properly. If a bone is broken, all the bones around it can’t perform their duty properly.

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Some structures are _______ this means that they are on the outside of the body, like skin, eyes, or hair.

• Structure

• function

• internal

• external

Answer explanation

Your skin is its thickest on your feet (1.4mm) and thinnest on your eyelids (0.2mm).

Each structure has a specific ______________ it performs.

• Structure

• Function

• Internal

• External

Answer explanation

An elephant trunk contains 40 000 different muscles. The human body only contains 639! This gives us an idea on the immense complexity of this amazing appendage.

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Other structures are__________ and are on the inside of

the body, like the lungs, heart or stomach.

• Structure

• Functions

• Internal

• External

Answer explanation

Your heart will beat about 115,000 times each day.

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Which of the following does not describe the structure of a tiger’s teeth?

• Striped

• Sharp

• Different sizes

• Located in the mouth

Answer explanation

Unlike most other cats, tigers are great swimmers and actually like the water.

How does camouflage aid an animal?

• Hide from predators

• grow

• look great

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What do birds use their beaks for?

• To eat

• Manipulate objects

• Feed their young

• All of the above

Answer explanation

You can tell what a bird’s behavior is like from observing its beak. Bird beaks are toothless but very strong and they do have tongues. Some birds have serrations along the edges of their beaks. The top and bottom of the beaks are called mandibles.

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The brain is part of the________

• Nervous system

• Digestive system

• Circulatory system

• Skeletal system

Answer explanation

About 75% of the brain is made up of waterThis means that dehydration, even as small as 2%, can have a negative effect on brain functions. Dehydration and a loss of sodium and electrolytes can cause acute changes in memory and attention. To prevent any loss of body or brain function, take steps to keep your body properly hydrated.

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Which sense organ is responsible for hearing a noise?

• Tongue

• Skin

• Ears

• Nose

Answer explanation

While you’re sleeping, your ears continue to function. They will pick up sounds, but your brain blocks them out.

What is a stimulus?

• One of the five senses

• Something that causes a response from an organism

• A part of a plant

• The process win how plants obtain energy

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